Bob Gregor on "[Plugin: WordPress SEO by Yoast] missing isset check"

class-frontend.php::527 should be if ( isset($wp_query->query_vars['paged']) && $wp_query->query_vars['paged'] > 1 && isset( $options['noindex-subpages'] ) && $options['noindex-subpages'] ) {
it is currently

if ( $wp_query->query_vars['paged'] && $wp_query->query_vars['paged'] > 1 && isset( $options['noindex-subpages'] ) && $options['noindex-subpages'] ) {

http://wordpress.org/extend/plugins/wordpress-seo/